fix

Author: samsonasik

rules/PHPUnit120/Rector/CallLike/CreateStubOverCreateMockArgRector.php

@@ -105,6 +105,10 @@ public function refactor(Node $node): MethodCall|StaticCall|New_|ArrayItem|null
 
         $hasChanges = false;
 
+        if ($node->isFirstClassCallable()) {
+            return null;
+        }
+
         foreach ($node->getArgs() as $arg) {
             if (! $arg->value instanceof MethodCall) {
                 continue;